Vertical Scroll after zoom using diferentes page size flag

@Override public void gl_zoom_confirm(GL10 gl10) { super.gl_zoom_confirm(gl10); m_scroller.computeScrollOffset(); PDFPos pos = vGetPos(m_vw / 2, m_vh / 2); if( m_pages == null || m_doc == null || m_vw <= 0 || m_vh <= 0 || pos.pageno < 0 || pos.pageno >= m_cells.length) return; gl_abort_scroll(); int ccur = 0; while( ccur < m_cells.length ) { PDFCell cell = m_cells[ccur]; if( pos.pageno == cell.page_left || pos.pageno == cell.page_right ) { int left = cell.left; int w = cell.right - left; int x = left + ((w - m_vw) >> 1); int oldx = m_scroller.getCurrX(); int oldy = m_scroller.getCurrY(); if(oldx < left - m_page_gap / 2 || oldx + m_vw > cell.right + m_page_gap / 2) m_scroller.startScroll(oldx, oldy, x - oldx, 0); break; } ccur++; } }